From owner-freebsd-acpi@FreeBSD.ORG Wed Oct 10 16:14:29 2007 Return-Path: Delivered-To: freebsd-acpi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id AE20416A421 for ; Wed, 10 Oct 2007 16:14:29 +0000 (UTC) (envelope-from nate@root.org) Received: from root.org (root.org [67.118.192.226]) by mx1.freebsd.org (Postfix) with ESMTP id 75C6113C469 for ; Wed, 10 Oct 2007 16:14:29 +0000 (UTC) (envelope-from nate@root.org) Received: (qmail 48541 invoked from network); 10 Oct 2007 16:14:29 -0000 Received: from ppp-71-139-1-224.dsl.snfc21.pacbell.net (HELO ?10.0.0.15?) (nate-mail@71.139.1.224) by root.org with ESMTPA; 10 Oct 2007 16:14:29 -0000 Message-ID: <470CFA76.3000503@root.org> Date: Wed, 10 Oct 2007 09:14:46 -0700 From: Nate Lawson User-Agent: Thunderbird 2.0.0.6 (Windows/20070728) MIME-Version: 1.0 To: Roman Pavlik References: <20071010073957.GA9625@belzebub.tns.cz> In-Reply-To: <20071010073957.GA9625@belzebub.tns.cz> X-Enigmail-Version: 0.95.3 Content-Type: text/plain; charset=ISO-8859-2 Content-Transfer-Encoding: 7bit Cc: freebsd-acpi@freebsd.org Subject: Re: HP6710: acpi_task_0 - WCPU 96.68% X-BeenThere: freebsd-acpi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: ACPI and power management development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 10 Oct 2007 16:14:29 -0000 Roman Pavlik wrote: > This issue appears on 7-CURRENT running on HP 6710b. I'm running > kernel where the following options were commented out: > #options PREEMPTION # Enable kernel thread preemption > #options ADAPTIVE_GIANT # Giant mutex is adaptive. > > There is issue with the process acpi_task_0. It consumes 96.68% WCPU. What happens if you enable those two options? This is probably a Notify storm caused by the inability to ack it. -- Nate